Principal Seismic Civil & Structural Engineer

Jacobs; Warrington; On-site; GBP 50,000 - 75,000; Full time

Job summary

A leading engineering firm is seeking a Principal Seismic Civil & Structural Engineer to join their Energy business in Warrington. The successful candidate will deliver complex engineering solutions for projects ranging from new builds to life extensions within the nuclear sector, while fostering collaboration and innovation. This role promises an exciting opportunity to support the UK’s Net Zero carbon target and the development of new nuclear technologies.

Benefits

Free single medical cover

Enhanced parental leave pay

Professional development reimbursement

Paid volunteering time

Flexible working hours

Qualifications

• Chartered with relevant institution (e.g., ICE or IStructE).
• Experience in design/construction of civil engineering solutions using American codes.
• Knowledge of UK Nuclear Regulatory processes is desirable.

Responsibilities

• Lead civil engineering activities, delivering complex engineering solutions.
• Manage programmes and resources, delivering to time and budget.
• Produce and review design deliverables such as technical specifications.

Skills

Collaboration

Communication

Problem Solving

Technical Strategy Development

Education

MEng, MSc, BEng or BSc in Civil Engineering

Tools

SASSI 2000

LS-DYNA

BIM

Job description

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Principal Seismic Civil & Structural Engineer, Warrington

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Client:

Jacobs

Location:

Warrington, United Kingdom

Job Category:

Other

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EU work permit required:

Yes

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Job Reference:

7a4532539772

Job Views:

4

Posted:

29.06.2025

Expiry Date:

13.08.2025

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Job Description:

Principal Seismic Civil & Structural Engineer (EST0004IO)

Your Impact:

Amentum will inspire and empower you to deliver your best work so you can evolve, grow and succeed – today and into tomorrow. We offer an exciting range of opportunities to develop your career within a supportive and diverse team who always strive to do the right thing for our people, clients and communities.

People are our greatest asset, and we offer a competitive package to retain and attract the best talent.

In addition to the benefits you’d expect, UK employees also receive free single medical cover and digital GP service, family-friendly benefits such as enhanced parental leave pay and free membership of employee assistance and parental programmes, plus reimbursement towards relevant professional development and memberships. We also give back to our communities through our Collectively program which incorporates matched-funding, paid volunteering time and charitable donations.

Work-life balance and flexibility is a key focus area for us. We’re happy to discuss hybrid, part-time and flexible working hours, patterns and locations to suit you and our business.

About the opportunity

Amentum is currently recruiting for a Principal Seismic Civil & Structural Engineer to join our Energy business, which is entering an exciting phase of opportunity: supporting a key client’s UK nuclear fleet through a business transformation; supporting new small modular reactor developers. Our work is varied, covering Licensing, New Build, Generation, Life Extension, and Defueling, and our capabilities are in demand across the nuclear sector.

We’re looking for a driven individual who embraces collaboration and diversity, and who shares our vision to create a secure and vibrant future by continuously reinventing, realising breakthroughs and taking on challenges with courage.

Our goal is to support development of new nuclear technologies and to keep existing power stations operating safely, contributing to the UK’s Net Zero carbon target.

And this is where you come in

Your role will be to lead civil engineering activities, delivering complex engineering solutions to time, cost and quality on projects of varying sizes. If you’re familiar with project delivery, you’ll know that they have lots of moving parts and complexity, which is why you’ll be working alongside our Operations Managers and Engineering Managers to enable delivery of maximum value.

People are at the heart of everything we do

Centre to the success of the role will be your people skills, building effective relationships and interacting with multiple internal and external stakeholders in multiple locations.

You’ll also work closely with colleagues to support activities that offer the best service to the client. Through your interactions, you’ll be able to gather useful intelligence on client needs and work with the team to deliver innovative solutions.
You’ll utilise your strong communication and engagement skills to achieve client, people and business outcomes, working with your team and peers that are based in different locations across the UK.

We’re continuously evolving and growing the business, so there’s plenty of opportunity to evolve and grow your skills and career too.
This role will be based at one of our Energy offices (Newcastle, Warrington, Gloucester, Bristol or Knutsford). We put flexibility at the heart of what we do and we’re happy to consider flexible working patterns. Key responsibilities will be:

• Working within integrated multi-disciplinary teams to deliver high profile projects
• Manage programmes and resources, delivering to time and budget
• Take ownership of technical challenges, develop a strategy and implement the solution through engagement with internal and external stakeholders
• Deliver technical solutions, via analysis and design
• Produce and review design deliverables (assumption notes, technical specifications and calculation notes, etc)
• Work with international SMR developers to pass through the Office of Nuclear Regulation’s Generic Design Assessment process
• Review and justify design decisions to the ONR
• Fulfil and take ownership of CDM responsibilities
• Support preparation of fee proposals

Here's What You'll Need:

Qualifications

• MEng, MSc, BEng or BSc in Civil Engineering or other relevant degree level qualification
• Chartered with relevant institution (e.g., ICE or IStructE)
• Ability to work within, and where required, lead a design team, and also able to collaborate within multi-disciplinary teams
• Previous experience in the design and/or construction of civil engineering solutions using American codes
• SASSI 2000, ACS SASSI, SHAKE expertise
• LS-DYNA expertise
• Concrete design expertise (American Concrete Institute ACI 318, ACI 349)
• Steel design expertise (American Institute of Steel Construction AISC 360, AISC 341, AISC N690)
• Seismic analysis (American Society of Civil Engineers ASCE 4, ASCE 43, ASCE 7)
• Understanding of the use of design tools within a BIM environment
• Demonstrable experience in the design of heavy infrastructure projects, nuclear or regulated industry
• Knowledge and understanding of UK Nuclear Regulatory process in field of civil engineering is desirable